From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Temperature tests taken on chassis 1106 ('Silver Phantom') on Amulree Hill.
| Identifier | ExFiles\Box 75\4\ scan0006 | |
| Date | 21th September 1909 | |
| R.R. 148 (20 H) (F 148. 17.6.09.) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 103. 3500X819 Temperature Tests. Taken by Wallis, on Chassis 1106 ("Silver Phantom") on Amulree Hill, N.B. 21.9.09. 26T Axle. PLAIN BONNET Gear used | Temperature Water | Temp F'boards 2nd & 3rd | Foot 64 1/2° | 47° Time 3'18" | Top 72° | 42° 2nd Gear | Foot 66 1/2° | 49° Time 2'20" | Top 73° | 40° Atmospheric temp: = 12° C Q 27.9.09 R | ||